2002024400 has 60 divisors (see below), whose sum is σ = 4817619852. Its totient is φ = 799518720.

The previous prime is 2002024333. The next prime is 2002024421. The reversal of 2002024400 is 44202002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1430416 + 2000593984 = 1196^2 + 44728^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267104 + ... + 274496.

Almost surely, 2^2002024400 is an apocalyptic number.

2002024400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002024400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408809926).

2002024400 is an abundant number, since it is smaller than the sum of its proper divisors (2815595452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002024400 is a wasteful number, since it uses less digits than its factorization.

2002024400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 8077 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2002024400 is about 44743.9873055587. The cubic root of 2002024400 is about 1260.3460039099.

Adding to 2002024400 its reverse (44202002), we get a palindrome (2046226402).

The spelling of 2002024400 in words is "two billion, two million, twenty-four thousand, four hundred".